Analysis

  • max time kernel
    186s
  • max time network
    186s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    08-11-2021 10:07

General

  • Target

    4d27dca0a1e05e876c2a1a8c09854c847b8e21bc5db294ad63cbfc603b5d62ef.exe

  • Size

    4.7MB

  • MD5

    0cc50985a2e8ae4f126dabb4b6a1c2be

  • SHA1

    4d20dd812a0b2d47f4b9b511538125a1ad5d917c

  • SHA256

    4d27dca0a1e05e876c2a1a8c09854c847b8e21bc5db294ad63cbfc603b5d62ef

  • SHA512

    9916db8f6dcc3532d3f205d3d96154cdb511ac3b135a874f72f47be251feeedc3a83b9304f132b1e680b48b2d820dd88a2692cc1080baf88be4ffcb45d2cc439

Malware Config

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.hbgents.top/

http://www.rsnzhy.com/

http://www.efxety.top/

Extracted

Family

raccoon

Botnet

2f2ad1a1aa093c5a9d17040c8efd5650a99640b5

Attributes
  • url4cnc

    http://telegatt.top/oh12manymarty

    http://telegka.top/oh12manymarty

    http://telegin.top/oh12manymarty

    https://t.me/oh12manymarty

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

Chris

C2

194.104.136.5:46013

Extracted

Family

redline

Botnet

fucker2

C2

135.181.129.119:4805

Extracted

Family

smokeloader

Version

2020

C2

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32
rc4.i32

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Socelars Payload 2 IoCs
  • Suspicious use of NtCreateProcessExOtherParentProcess 2 IoCs
  • suricata: ET MALWARE ClipBanker Variant Activity (POST)

    suricata: ET MALWARE ClipBanker Variant Activity (POST)

  • suricata: ET MALWARE GCleaner Downloader Activity M5

    suricata: ET MALWARE GCleaner Downloader Activity M5

  • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • ASPack v2.12-2.42 6 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Downloads MZ/PE file
  • Executes dropped EXE 34 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops Chrome extension 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Drops file in System32 directory 7 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 4 IoCs
  • Modifies data under HKEY_USERS 16 IoCs
  • Modifies registry class 20 IoCs